Fire extinguisher



Patented Nov. 1, 1932 sires stares WILI-IELM B. BRONAN'IDER, OF MO1\TTCLAIR, NEW JERSEY.

FIRE EXTINQUISI-IER Application filed June 14,

This invention relates to fire extinguishers. More particularly stated, the invention relates to automatically operata'bie fire extinguishers so constructed and arranged that in case of fire the fire extinguishing fluid in the I extinguisher container will be automatically released. 7 I r Many fire extinguishers of the type specified are provided with sprinkler or distributor heads having perforations or openings This invention has for its salient object to overcome the difficulties above mentioned and to provide adevic'e of the character specified, so constructed and'arranged that the discharge opening or openings will be protected from exposure under normalconf ditions. 1 Another object sealingmeans and withheat controlled means for positively ejecting or removing the sealing means in case of fire.

Further objects of the in connection with the drawing which forms a part of this application, and in which i Fig. 1 is a longitudinal sectional eleva tion of a device constructed in accordance 0 with the invention;

Fig. 2 is an end View of the fusible link and parts cooperating therewith; and Fig. 3 is a transverse sectional and bottom plan view taken substantiallyon line 33 1.4.5 of Fig. 1. a

The invention briefly described consists of a fire extinguisher receptacle or container having discharge opening or discharge openings which may be formed in a distributor 59 head, means such as a cap for covering the receptacle.

of the invention is to provide a device of the character described with invention will ap-" 1 pear from the following specification, taken "the bead31" and a flange 33 formed 011 the 'wardly from the bead 31.

1930. Serial'No. 461,142.

discharge end of the container or receptacle, and heat controlled mechanism for holding the cap in sealing position and for positively ejecting the cap upon therelease of-the holdin}; means. The holding means is controlled by a fusible element so that in case of fire the cap will beremoved and'the fire extinguishing liquid will bedischarged from the Further details of the invention will appear from the following description.

In the particular formof the invention illustrated in the drawing there is shown a receptacle in the form of a bottle 10 having a neck 11. The bottle is preferably suspended in inverted position, being supported in a cageformed' of strips -12 connected at one end by a ring 13 which'surrounds the neck and at the other end by a ring 14. The ring '14 has pins 15 carried thereby to which are connected chains 16. Any other method of suspending the receptacle or'bottle may be I utilized, i-f desired.

V A casing 20 is secured in any suitable man- .ner around the neck lland a packing 21 of suitable material is'secured between the casingand the neck; A packing washer 22 also seals the "connection between'the' end of the neck and the casing. i T

The end ofthe casing 20 has formed thereon or secured thereto a thimb-le 23' having a plurality of perforations or, discharge openings 24 formedtherein. The thimble23has a central opening therein in which is secured :a tube'25 which, extends upwardly in the bottle to a position adjacent the end thereof.

" A cap 30is' secured around the thimble' 23 and is provided with a circumferential head 31. A washer 32'is interposed betweenl casing 20 and disposed around the thiinble 23.

The cap 30 also has a laterallyextending flange 34 formed thereon and extending out- I The cap 23 is held "n sealing position by a'pair of levers 40 and 41. E'ach lever is pivoted in a pair of lugs 42'and 43 formed onthe casing 20, the'lugs being disposed on opposite sides of the casing and extending outwardly from the central portion thereof.

The lever has formed thereon a ledge or lug in which is adjustably mounted a bolt 46 adapted to engage the central portion 47 of the cap 20. The free end of the ledge 45 is notched and receives a lug 48 formed on the lever 41. The spring 49 is mounted on the pivot of each lever and tends to swing the lever outwardly, one lever being swung in one direction and the other in the opposite direction so that they will tend to move away from each other. The levers are normally held against separation by means of a fusible link 50 which surrounds the outer ends of the levers.

The levers 40 and 41 also have formed on the ends thereof adjacent the pivots, lugs 51 and 52 which are positioned above the flange 34 viewing Fig. 1.

The extinguisher above described operates as follows: after the bottle 10 has been substantially filled with fire extinguishing liquid, such as carbon tetrachloride, the cas ing 20 is secured thereto and the cap 80 is secured over the end of the casing thus sealing the discharge end thereof. The levers 40 and 41 are then swung to the position shown in Fig. 1 and the bolt 46 is adjusted to place the desired pressure on the cap. The fusible link is then placed over the ends of the levers. In case offire the fusible link gives Way, the levers spread apart and positively eject the cap 30 whereupon the fire extinguishing liquid will be discharged by gravity through the openings 24 of the thimble 23. The tube 25 acts as an air vent or permits the passage of air into the receptacle as the liquid is being discharged therefrom.

From the foregoing description it will be clear that the discharge end of the extinguisher receptacle will be effectively protectedby the cap from exposurethus preventing the possibility of any closureof the discharge openings by corrosion or by fumes from lacquer, shellac or like material.

Although one specific embodiment of the invention has been particularly shown and described, it will be understood that the invention is capable of modification and that changes in the construction and arrangement of the various cooperating'parts may be made without departing from the spirit and scepe of the invention, as expressed in the following claims.

What I claim is 1. A fire extinguisher comprising a receptacle, a discharge opening, a member for enclosing and sealing said opening, and heat controlled means for holding said sealing member in operative position and for positively ejecting said sealing member when released from said holding position.

2. A fire extinguisher comprising a receptacle, a distributor head connected thereto and having discharge openings,therethrough, a member for enclos ng and sealing said head,

and heat controlled means for holding said said sealing means from sealing position upon release of said holding means.

4. A fire extinguisher comprising a receptacle having a discharge opening therein, sealing means for closing and sealing said opening, heat controlled means including a pair of levers for holding said sealing means in sealing position, and means associated with said holding means and normally disengaged from said sealing means for positively engaging and removing said sealing means from sea-ling position upon release of said holding means.

5. A fire extinguisher comprising a receptacle having a discharge opening therein, sealing means for closing and sealing said opening, a pivoted arm, means carried by said arm for en aging and holding said sealing means in sealing position, means, including a heat controlled element, coacting with said arm to hold the arm in operative position, and means associated with said arm for ejecting the sealing means when the arm is released from operative position.

6. A fire extin uisher comprising a receptacle having a discharge opening, a cap for sealing said opening, a pair of coacting pivoted arms, means carried by one arm for engaging the cap and holding said cap. in sealing position, heat controlled means for holding said arms in operative position, and means on one of said arms for positively moving said cap when the arm is released.

' wiLirnLM B. BRONANDER.

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